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Windows 7: BOOTMGR is missing.

18 Nov 2009   #1

Windows 7 Ultimate x64
 
 
BOOTMGR is missing.

I recently installed 7 and it came up with the message BOOTMGR is missing. hit ctrl alt delete to restart. i did the setup repair but it doesnt work, also if i try to boot the disc it automatically starts the operating system from my hard drive and all is well until i restart again.

My System SpecsSystem Spec
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18 Nov 2009   #2

Windows 7 Ult, Windows 8.1 Pro,
 
 

Try running the start up repair a few more times. That sometimes fixes the problem.

If that doesn't work try the steps outlined in this MSN guide which shows you a few more ways to get your MBR back.

http://support.microsoft.com/kb/927392
My System SpecsSystem Spec
19 Nov 2009   #3
Microsoft MVP

 

When you boot into your Windows 7 installer/repair disk and run startup repair, it tries each fix individually, beginning with efforts to repair and ending (usually on the third try) with rewriting the MBR.

So it must be run again when it doesn't restart the OS.
My System SpecsSystem Spec
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19 Nov 2009   #4

windows 7 ultimate 32 bit
 
 

do you have 2 hard drives
My System SpecsSystem Spec
01 Oct 2011   #5

Windows 7 Home Basic 32-bit
 
 

Hi,

I am having the "BOOTMGR is missing" error. I don't know what happened but when I restarted my laptop, the screen prompted the message. I tried inserting Windows 7 disc to try startup repair (as shown in most forums) but the disc won't boot even if I tried pressing the necessary function key (F9 for my laptop).

Can someone please help me? I don't know what to do... and i need to make my laptop up and running soon. Please help. Thank you!
My System SpecsSystem Spec
01 Oct 2011   #6

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote   Quote: Originally Posted by mjjpacumio View Post
Hi,

I am having the "BOOTMGR is missing" error. I don't know what happened but when I restarted my laptop, the screen prompted the message. I tried inserting Windows 7 disc to try startup repair (as shown in most forums) but the disc won't boot even if I tried pressing the necessary function key (F9 for my laptop).

Can someone please help me? I don't know what to do... and i need to make my laptop up and running soon. Please help. Thank you!
Quote:
Hi,

I'm having "BOOTMGR is missing" problem in my ASUS K43S. I tried inserting the Windows 7 DVD and rapidly pressed the F9 key to run the boot from CD but nothing is happening.

I also tried restarting it several times but I still can't boot from the DVD.

Can somebody please help me? Thank you!
The F key for a ASUS is F8.
My System SpecsSystem Spec
01 Oct 2011   #7

Windows 7 Home Basic 32-bit
 
 

[/QUOTE]The F key for a ASUS is F8.[/QUOTE]

Hi theog,

Thank you for your quick response. According to the user-manual, my laptop's F key is F9. However, I also tried pressing F8, F10, F11 and F12 in every restart the I made just to make sure. Still, I wasn't able to run the boot.
My System SpecsSystem Spec
01 Oct 2011   #8

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Did you have Boot Booster enable? If yes
Disable Boot Booster in BIOS setup before you perform system recovery from USB flash disk, external optical drive or hidden partition.
My System SpecsSystem Spec
01 Oct 2011   #9
Microsoft MVP

 

Even if you can't trigger the BIOS boot menu using F8 or F9 you should be able to get Advanced Boot Options by tapping F8 at restart. See if there is Repair console on the menu to run Startup Repair repeatedly.

Most times the key is not being tapped quickly or firmly enough, you should hear a faint clicking from mobo speaker: How to Boot your Computer from a Bootable CD or DVD
My System SpecsSystem Spec
01 Oct 2011   #10

Windows 7 Home Basic 32-bit
 
 

Thanks theog and gregrocker for your response.

Finally got it to work. I tried pressing each function keys on every restart that I did and was able to run the Aptio System Utility. From there I changed something under the Boot Tab and gave priority for the laptop to boot from CD/DVD Drive. After that, my laptop restarted and I was able to boot from the disc and follow the procedures given in most forums.

My laptop is up and running now! Yay!
My System SpecsSystem Spec
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 BOOTMGR is missing.




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